Home / 11,683.52-17,517.92-3,890.64

Finding the Fourth Proportional to 11,683.52, 17,517.92 and 3,890.64

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Solution

The fourth proportional to 11,683.52, 17,517.92 and 3,890.64 is: 5,833.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,683.52 : 17,517.92 = 3,890.64 : x
  2. Step 2: Convert to fraction form
    11,683.52/17,517.92 = 3,890.64/x
  3. Step 3: Cross multiply
    11,683.52x = 17,517.92 × 3,890.64
  4. Step 4: Simplify right side
    11,683.52x = 68,155,920.27
  5. Step 5: Solve for x
    x = 68,155,920.27/11,683.52
  6. Step 6: Final answer
    x = 5,833.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.